TM 9-2350-256-20
CHAPTER 2: VEHICLE MAINTENANCE INSTRUCTIONS
2-19 ELECTRICAL TROUBLESHOOTING-Continued
ELECTRIC IN-TANK FUEL PUMP-Continued
Remove all jewelry such as rings, dog tags,
bracelets, etc. If jewelry contacts a metal
surface a direct short may result in instant
heating of tools, damage to equipment, and
injury or death to personnel.
A Remove four screws (1), four lockwashers (2), four
flat washers (3), and fuel transmitter center left
floor access plate (4). Remove fuse housing and
inspect fuse. If fuse is unserviceable, replace fuse
(see paragraph 4-3). If fuse is serviceable and
electric in-tank pump still fails to operate, go to
step B.
B Disconnect switch panel to neutral safety to
bulkhead wiring harness connector from fuel pump.
Place red lead of multimeter in wire 76 of connector
and black lead to ground. Turn MASTER and FUEL
PUMP switches ON and check for voltage. Turn
MASTER and FUEL PUMP switches OFF.
I f
voltage is present, go to step C. If voltage is not
present, go to step D.
2 - 9 0
Change 1
